If the rash of chickenpox is not aggravated by excessive scratching because of intense itching during the course of the illness, or if it is not caused by improper care, leading to secondary skin infections and other factors, the blisters of chickenpox usually do not leave scars. Because our skin is divided into epidermis and dermis, chickenpox skin lesions are mainly in the epidermis of the echinocyte layer, this level is relatively shallow, so it will not leave scars. But in the process of chickenpox, the chickenpox rash will be accompanied by more obvious itching, if the itching is more intense, you can surface rub some glycerine lotion to stop itching, you can also take oral paracetamol, cetirizine and so on to stop itching. And to do a good job of skin care, keep the skin clean, dry, avoid scratching, avoid secondary skin infections.